发明名称 |
METHOD FOR PERFORATING HEAT MELTABLE MATERIAL |
摘要 |
The present invention relates to a method for making holes in a layer (1) of heat-fusible material. According to the invention a layer of absorbent material (2) is placed in contact with a layer (1) of heat-fusible material, following which the layer of heat-fusible material is heated locally so that holes are formed in the material.
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申请公布号 |
US2009211693(A1) |
申请公布日期 |
2009.08.27 |
申请号 |
US20060097275 |
申请日期 |
2006.11.08 |
申请人 |
MOLYNLYCKE HEALTH CARE AB |
发明人 |
ZAWADZKI WALDEMAR;JOHANNISON ULF |
分类号 |
B32B38/04 |
主分类号 |
B32B38/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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